Unit setup/connection
LVU-CD-40
en(us)
Page 30 / 68
BeWa LVU-CD-40 4035823a en-us 2016-01-08.doc 2016-01-08
Pin Function Description
1-2 Output Device
ACTIVE
Potential-free relay contact. This is closed
when the motor pump group is running.
3-4 Output Device
OK
Potential-free relay contact. This is closed
when there is no pending error.
Can be used, for example, to issue an error
notification when contact opens.
Opens, for example when the voltage drops,
motor protection responded, filter clogged,
collecting pan too full, etc.
5-6 Output Reserve Potential-free relay contact.
Has no function
7-8 Input Input for potential-free push-button to switch
motor-pump group on/off. No voltage is to
be applied here.
9 - 10 Input Reserve A voltage of 24V is to be applied here (opto-
coupler input) to start a function. No
function set yet.
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